http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54966
--- Comment #8 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-11-09 06:39:33 UTC --- Created attachment 28646 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28646 test case (preprocessed with gcc 4.7.2)